61261362816

Names of 61261362816

• Cardinal: 61261362816 can be written as Sixty-one billion, two hundred sixty-one million, three hundred sixty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 6.1261362816 × 10¹⁰

Factors of 61261362816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2247045

Divisors of 61261362816

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 71 96 128 142 192 213 284 384 426 568 852 1136 1704 2272 3408 4544 6816 9088 13632 27264 2246969 4493938 6740907 8987876 13481814 17975752 26963628 35951504 53927256 71903008 107854512 143806016 159534799 215709024 287612032 319069598 431418048 478604397 638139196 862836096 957208794 1276278392 1914417588 2552556784 3828835176 5105113568 7657670352 10210227136 15315340704 20420454272 30630681408 61261362816
• Sum of all divisors σ(n): 165017476800
• Sum of proper divisors (its aliquot sum) s(n): 103756113984
• 61261362816 is an abundant number, because the sum of its proper divisors (103756113984) is greater than itself. Its abundance is 42494751168

Bases of 61261362816

• Binary: 111001000011011101100011011010000000₂
• Hexadecimal: 0xE43763680
• Base-36: S55FM2O

Squares and roots of 61261362816

• 61261362816 squared (61261362816²) is 3752954574073587449856
• 61261362816 cubed (61261362816³) is 229911111794288787848332622954496
• The square root of 61261362816 is 247510.3287056927
• The cube root of 61261362816 is 3942.1113254793

Scales and comparisons

• 61,261,362,816 seconds is equal to 1,947 years, 47 weeks, 6 days, 13 hours, 13 minutes, 36 seconds.
• To count from 1 to 61,261,362,816 would take you about three thousand, eight hundred ninety-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 61261362816 cubic inches would be around 328.5 feet tall.

Recreational maths with 61261362816

• 61261362816 backwards is 61826316216
• The number of decimal digits it has is: 11
• The sum of 61261362816's digits is 42
• More coming soon!